Question
Statements : No samsung is a micromax.
All sony are micromax. Some nokia are samsung. Conclusions: No nokia is a micromax. Atleast some samsung are nokia. Atleast some sony are samsung. In each of the questions below are given three statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.Solution
Some nokia are samsung(I) + No samsung is a micromax(E) ⇒ Some nokia are not micromax(I). Hence conclusion I does not follow. Some nokia are samsung(I) ⇒ Conversion ⇒ Some samsung are nokia(I). Hence conclusion II follows. All sony are micromax(A) + No micromax is a samsung(E) ⇒ No sony is a samsung(E). Hence conclusion III does not follow. Venn Diagram Method 
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